<?php
//一个表设置pid的做法
$username = $_POST['username'];
$content = $_POST['content'];

$link = mysqli_connect("localhost","root","root","2113");
$sql = "INSERT INTO message(username,content,pid) VALUES ('$username','$content',0)";
$res =  mysqli_query($link,$sql);
$arr = [];
if(mysqli_affected_rows($link)){
	$arr['status'] = 1;
	$arr['info'] = "添加成功";
}else{
	$arr['status'] = 0;
	$arr['info'] = "添加失败";
}

echo json_encode($arr);


?>